diff --git a/CHANGELOG.md b/CHANGELOG.md
index 20378fa..e483ed9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+# 0.6.4
+
+* Fix bug with CSV stat export when no VAT on an invoice
+
+# 0.6.3
+
+* Fix bug with `price_formula` and empty string prices
+
 # 0.6.2
 
 * Migrate to Hy `>= 0.26`
diff --git a/setup.py b/setup.py
index 2b00e7b..98c4a8b 100644
--- a/setup.py
+++ b/setup.py
@@ -1,14 +1,12 @@
-import sys
-import re
 import os
-import ast
 from setuptools import setup
 
+
 # Pass package modules files.
 # From https://stackoverflow.com/a/36693250/1956471
 def package_files(directory):
     paths = []
-    for (path, directories, filenames) in os.walk(directory):
+    for path, directories, filenames in os.walk(directory):
         for filename in filenames:
             paths.append(os.path.join("..", path, filename))
     return paths
@@ -20,7 +18,7 @@ def package_files(directory):
 
 setup(
     name="tqwgp-parser",
-    version="0.6.3",
+    version="0.6.4",
     url="https://github.com/YtoTech/talk-quote-work-getpaid-parser",
     license="AGPL-3.0",
     author="Yoan Tournade",
diff --git a/tqwgp_parser/__main__.py b/tqwgp_parser/__main__.py
index 2e4c147..484fe7c 100644
--- a/tqwgp_parser/__main__.py
+++ b/tqwgp_parser/__main__.py
@@ -322,11 +322,13 @@ def format_decimal(number):
                         # TODO Include date parsing in core parser.
                         # Allows to set format in definitions?
                         # "DD MMMM YYYY"
-                        "parsed_date": pendulum.from_format(
-                            invoice["date"], date_format, locale=date_locale
-                        )
-                        if date_format
-                        else None,
+                        "parsed_date": (
+                            pendulum.from_format(
+                                invoice["date"], date_format, locale=date_locale
+                            )
+                            if date_format
+                            else None
+                        ),
                     }
                 )
     if date_format:
@@ -343,15 +345,17 @@ def format_decimal(number):
                 document["project_name"],
                 invoice["number"],
                 invoice["date"],
-                invoice_entry["parsed_date"].format(date_csv_format)
-                if invoice_entry["parsed_date"] and date_csv_format
-                else "-",
+                (
+                    invoice_entry["parsed_date"].format(date_csv_format)
+                    if invoice_entry["parsed_date"] and date_csv_format
+                    else "-"
+                ),
                 invoice["title"],
                 invoice["sect"]["name"],
                 invoice["client"]["name"],
                 # Options to round, change numeric character (,.), ...
                 format_decimal(invoice["price"]["total_vat_excl"]),
-                format_decimal(invoice["price"]["vat"]),
+                format_decimal(invoice["price"]["vat"] or 0),
                 format_decimal(invoice["price"]["total_vat_incl"]),
                 len(invoice["lines"]),
             ]